16 			    struct sgx_backing *backing);
37  * The backing storage to which enclave pages are reclaimed is laid out as
92 		 * to ensure that the page is not already in backing store.  in reclaimer_writing_to_pcmd()
106  * follow right after the EPC data in the backing storage. In addition to the
119  * Free a page from the backing storage in the given page index.
123 	struct inode *inode = file_inode(encl->backing);  in sgx_encl_truncate_backing_page()
320  * When an initialized enclave accesses a page with no backing EPC page
756 	if (encl->backing)  in sgx_encl_release()
757 		fput(encl->backing);  in sgx_encl_release()
952 	struct address_space *mapping = encl->backing->f_mapping;  in sgx_encl_get_backing_page()
959  * __sgx_encl_get_backing() - Pin the backing storage
962  * @backing:	data for accessing backing storage for the page
964  * Pin the backing storage pages for storing the encrypted contents and Paging
972 			 struct sgx_backing *backing)  in __sgx_encl_get_backing()  argument
988 	backing->contents = contents;  in __sgx_encl_get_backing()
989 	backing->pcmd = pcmd;  in __sgx_encl_get_backing()
990 	backing->pcmd_offset = page_pcmd_off & (PAGE_SIZE - 1);  in __sgx_encl_get_backing()
1046  * sgx_encl_alloc_backing() - create a new backing storage page
1049  * @backing:	data for accessing backing storage for the page
1052  * mms in the enclave's mm_list prior to any backing page allocation,
1054  * enclave.  Create a backing page for loading data back into an EPC page with
1055  * ELDU.  This function takes a reference on a new backing page which
1063 			   struct sgx_backing *backing)  in sgx_encl_alloc_backing()  argument
1069 	ret = __sgx_encl_get_backing(encl, page_index, backing);  in sgx_encl_alloc_backing()
1078  * sgx_encl_lookup_backing() - retrieve an existing backing storage page
1081  * @backing:	data for accessing backing storage for the page
1083  * Retrieve a backing page for loading data back into an EPC page with ELDU.
1087  * This function takes a reference on an existing backing page which must be
1095 			   struct sgx_backing *backing)  in sgx_encl_lookup_backing()  argument
1097 	return __sgx_encl_get_backing(encl, page_index, backing);  in sgx_encl_lookup_backing()
1101  * sgx_encl_put_backing() - Unpin the backing storage
1102  * @backing:	data for accessing backing storage for the page
1104 void sgx_encl_put_backing(struct sgx_backing *backing)  in sgx_encl_put_backing()  argument
1106 	put_page(backing->pcmd);  in sgx_encl_put_backing()
1107 	put_page(backing->contents);  in sgx_encl_put_backing()